20408913426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:613

約数の個数: 192

約数和(自身を含む): 48980090880

約数和(自身を除く): 28571177454

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 62, 66, 69, 89, 93, 121, 138, 178, 186, 242, 253, 267, 341, 363, 443, 506, 534, 682, 713, 726, 759, 886, 979, 1023, 1329, 1426, 1518, 1958, 2046, 2047, 2139, 2658, 2759, 2783, 2937, 3751, 4094, 4278, 4873, 5518, 5566, 5874, 6141, 7502, 7843, 8277, 8349, 9746, 10189, 10769, 11253, 12282, 13733, 14619, 15686, 16554, 16698, 20378, 21538, 22506, 22517, 23529, 27466, 29238, 30349, 30567, 32307, 39427, 41199, 45034, 47058, 53603, 60698, 61134, 63457, 64614, 67551, 78854, 82398, 86273, 91047, 107206, 112079, 118281, 126914, 135102, 151063, 160809, 172546, 182094, 190371, 224158, 236562, 247687, 258819, 302126, 315859, 321618, 333839, 336237, 380742, 433697, 453189, 495374, 517638, 631718, 667678, 672474, 698027, 743061, 867394, 906378, 906821, 947577, 1001517, 1222237, 1232869, 1301091, 1396054, 1486122, 1661693, 1813642, 1895154, 2003034, 2094081, 2444474, 2465738, 2602182, 2720463, 3323386, 3474449, 3666711, 3698607, 4188162, 4770667, 4985079, 5440926, 6948898, 7333422, 7397214, 7678297, 9541334, 9970158, 9975031, 10423347, 13444607, 14312001, 15356594, 19950062, 20846694, 23034891, 26889214, 28111451, 28624002, 29925093, 38218939, 40333821, 46069782, 56222902, 59850186, 76437878, 80667642, 84334353, 109725341, 114656817, 147890677, 168668706, 219450682, 229313634, 295781354, 309225961, 329176023, 443672031, 618451922, 658352046, 887344062, 927677883, 1855355766, 3401485571, 6802971142, 10204456713, 20408913426]

約数ペア:

[(1, 20408913426), (2, 10204456713), (3, 6802971142), (6, 3401485571), (11, 1855355766), (22, 927677883), (23, 887344062), (31, 658352046), (33, 618451922), (46, 443672031), (62, 329176023), (66, 309225961), (69, 295781354), (89, 229313634), (93, 219450682), (121, 168668706), (138, 147890677), (178, 114656817), (186, 109725341), (242, 84334353), (253, 80667642), (267, 76437878), (341, 59850186), (363, 56222902), (443, 46069782), (506, 40333821), (534, 38218939), (682, 29925093), (713, 28624002), (726, 28111451), (759, 26889214), (886, 23034891), (979, 20846694), (1023, 19950062), (1329, 15356594), (1426, 14312001), (1518, 13444607), (1958, 10423347), (2046, 9975031), (2047, 9970158), (2139, 9541334), (2658, 7678297), (2759, 7397214), (2783, 7333422), (2937, 6948898), (3751, 5440926), (4094, 4985079), (4278, 4770667), (4873, 4188162), (5518, 3698607), (5566, 3666711), (5874, 3474449), (6141, 3323386), (7502, 2720463), (7843, 2602182), (8277, 2465738), (8349, 2444474), (9746, 2094081), (10189, 2003034), (10769, 1895154), (11253, 1813642), (12282, 1661693), (13733, 1486122), (14619, 1396054), (15686, 1301091), (16554, 1232869), (16698, 1222237), (20378, 1001517), (21538, 947577), (22506, 906821), (22517, 906378), (23529, 867394), (27466, 743061), (29238, 698027), (30349, 672474), (30567, 667678), (32307, 631718), (39427, 517638), (41199, 495374), (45034, 453189), (47058, 433697), (53603, 380742), (60698, 336237), (61134, 333839), (63457, 321618), (64614, 315859), (67551, 302126), (78854, 258819), (82398, 247687), (86273, 236562), (91047, 224158), (107206, 190371), (112079, 182094), (118281, 172546), (126914, 160809), (135102, 151063)]